Asked by Stefanie Olivan on Jul 08, 2024
Verified
An x-bar control chart was examined and no data points fell outside of the limits. Can this process be considered in control?
A) No, there could be a pattern to the points, the R-chart must be checked.
B) Yes, it is unlikely that there is a pattern in these points.
C) No, the number of samples must be known.
D) Yes.
E) Yes, there is not enough data to determine otherwise.
X-bar Control Chart
A statistical tool used in quality control processes to monitor the mean (average) of a quality characteristic over time.
R-chart
A type of control chart used to monitor the range of variability within a process over time.
- Utilize statistical process control charts to detect processes that are out of control.
Verified Answer
PK
preet kharoudJul 10, 2024
Final Answer :
A
Explanation :
An x-bar control chart showing no data points outside the limits does not guarantee the process is in control. Patterns within the control limits or issues in the range (R-chart) could indicate a lack of control.
Learning Objectives
- Utilize statistical process control charts to detect processes that are out of control.
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